C406pro_Hack

C406pro is a bike computer from Magene. This repository includes a customized firmware and hardware information for this device.

Hardware

Components

• Nordic nRF52840 BLE SoC
• Sitronix st75256 128x160 monochrome display
• Goertek spl06 pressure sensor
• Unicore uc6226 Multi-GNSS Positioning SoC
• GigaDevice gd25q256 32MB flash memory

Pinmap

Pin	Function
P0.26	Display SDA
P0.04	Display SCL
P1.07	Display RST
P1.04	Display DC
P1.06	Display CS
P1.10	Display BL
P0.08	Power mos
P0.09	Beep
P0.20	Flash Hold
P0.22	Flash CLK
P0.24	Flash MOSI
P0.15	Flash WP
P0.14	Flash MISO
P0.13	Flash CS
P0.06	UC6226 RST
P1.11	UC6226 RXD
P1.13	UC6226 TXD
P0.11	Button 1
P0.12	Button 2
P1.15	Button 3
P0.25	SPL06 SCK
P1.00	SPL06 SDA
P0.29	Battery ADC X4
P0.31	Charge detection

Firmware

Features

• Zephyr RTOS
• LVGL GUI
• Display driver
• Pressure sensor driver
• Battery voltage monitoring
• Pressure and temperature monitoring
• Altitude estimation
• Button handling
• Power management

Building

Clone this repository as a standalone Zephyr application

git clone git@github.com:WSTRN/C406pro_Hack.git

Go to the project directory

cd C406pro_Hack

Initialize the application

west init -l app

Update to fetch modules

west update

Export Zephyr CMake package

west zephyr-export

Install Zephyr Python Dependencies

pip3 install -r zephyr/scripts/requirements.txt

Go to the application directory

cd app

Build the application

west build -p=auto

TODO

• Add BLE support
• Add GPS support
• Add Flash storage support
• Add offline maps support
• Add track recording support
• Add power saving mode